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    <title>Document</title>
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    <script>
      const arr = [2, 2, 3, 4]
      // const total = arr.reduce((total, item) => {
      //   return total + item
      // }, 0)
      const sum=arr.reduce((total,item)=>{
        return total+item
      },0)
      console.log(sum)
    </script>
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